feat: 刷新 Access Token（带并发锁）

src/common/sse/SseClient.ts

@@ -1,4 +1,5 @@
 import { fetchEventSource } from '@microsoft/fetch-event-source'
+import { ElMessage } from 'element-plus'
 
 /**
  * SSE 连接客户端
@@ -89,6 +90,7 @@ export class SseClient {
             return
           }
           this.callbacks.onMessage(message.event, message.data)
+          ElMessage.success(message.event)
         },
 
         onclose: () => {